Frequencies for first 10,000 rows of prov4190 variable in posclia2004 dataset :

   prov4190 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,474       84.74       84.74
          N |      1,327       13.27       98.01
          Y |        199        1.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016